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Sodium hexanitritocobaltate (III) is an inorganic compound with the formula Na3[Co (NO2)6]. The anion of this yellow-coloured salt consists of the transition metal nitrite complex [Co (NO2)6]3−. It was a reagent for the qualitative test for potassium and ammonium ions. [ 2 ]
14,500 (December 2023) [5] Website. avantorsciences.com. Avantor, Inc. is an American biotechnology, chemicals, and pharmaceuticals company headquartered in Radnor, Pennsylvania. Established in 1904 as J.T. Baker, the company changed its name to Avantor in 2010. Avantor went public in 2019 and is now listed on the New York Stock Exchange under ...
The limiting reagent (or limiting reactant or limiting agent) in a chemical reaction is a reactant that is totally consumed when the chemical reaction is completed. [1] [2] The amount of product formed is limited by this reagent, since the reaction cannot continue
Reagents are "substances or compounds that are added to a system in order to bring about a chemical reaction or are added to see if a reaction occurs." [1] Some reagents are just a single element. However, most processes require reagents made of chemical compounds. Some of the most common ones used widely for specific reactive functions are ...
Seliwanoff’s test is a chemical test which distinguishes between aldose and ketose sugars. If the sugar contains a ketone group, it is a ketose. If a sugar contains an aldehyde group, it is an aldose. This test relies on the principle that, when heated, ketoses are more rapidly dehydrated than aldoses. It is named after Theodor Seliwanoff ...
Ammonium formate can be used for reductive amination of aldehydes and ketones (Leuckart reaction), by the following reaction: [5] Ammonium formate can be used as a mobile phase additive in high performance liquid chromatography (HPLC), and is suitable for use with liquid chromatography-mass spectrometry (LC/MS).
HBTU (H exafluorophosphate B enzotriazole T etramethyl U ronium) is a coupling reagent used in solid phase peptide synthesis. It was introduced in 1978 and shows resistance against racemization. [3][4] It is used because of its mild activating properties. [5]
Following Sanger's initial report of the reagent, the dinitrofluorobenzene method was widely adopted for studying proteins, until it was superseded by other reagents for terminal analysis (e.g., dansyl chloride and later aminopeptidases and carboxypeptidases) and other general methods for sequence determination (e.g., Edman degradation). [5]
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